爲什麼要學習Maven
- 項目架構管理工具。
- javaweb開發中,需要手動導入大量的jar包。Maven可以幫我們自動導入和配置jar包。
- 核心思想:約定大於配置。Maven會規定好你如何去編寫java代碼。
Maven環境配置
- 測試是否安裝成功:
- 阿里雲鏡像配置(setting.xml)
- 作用:加速下載
- 建立一個本地倉庫
Maven配置文件解讀(pom.xml)
<?xml version="1.0" encoding="UTF-8"?>
<!-- maven版本和頭文件 -->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<!-- 這裏就是我們剛纔配置的GAV -->
<groupId>com.kuang</groupId>
<artifactId>java-01-maven</artifactId>
<version>1.0-SNAPSHOT</version>
<!-- 項目的打包方式
jar:java應用
war:javaweb應用
-->
<packaging>war</packaging>
<!-- 配置 -->
<properties>
<!-- 項目的默認構建編碼 -->
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<!-- 編碼版本 -->
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
</properties>
<!-- 項目依賴 -->
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
</dependencies>
<!-- 項目構建用的東西 -->
<build>
<finalName>java-01-maven</finalName>
<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>3.1.0</version>
</plugin>
<!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.1</version>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.2</version>
</plugin>
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.5.2</version>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.8.2</version>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>